Tips for Beginners for the TI 89 Calculator

Binary, Hexadecimal & Decimal. Decimal means base 10, binary means base 2 & hexadecimal means base 16. How do you tell the calculator you are entering a binary or hexadecimal number? You type 0b before a binary number & 0h before a hexadecimal number. For example to enter 7 in binary, key 0b111. To enter 15 in hexadecimal, key 0hF. ................
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